You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
• Why is there only one planet with an Earthlike Moon? <br />
– Partly chance (Venus lost its moon) <br />
• Why is the Moon about the same apparent size as the Sun ? <br />
– Partly chance but also understandable from basic physics <br />
• Why is the nearside different from the far side? <br />
– Lowest energy state. But the way that they differ is not <br />
understood. <br />
• Why does the moon have magneHc rocks? <br />
– Ancient dynamo because core and mantle rotate separately <br />
• Why are there moonquakes? <br />
– Tides (but also the moon is not completely dead) <br />
• Is the moon dry? <br />
– Controversial, but impacts (e.g., comets) might deliver water <br />
• Anything you would like explained?
Change language